diff --git a/offapi/com/sun/star/awt/MessageBoxResults.idl b/offapi/com/sun/star/awt/MessageBoxResults.idl
index 5c63d6eede89..4c4ccf5f5f58 100644
--- a/offapi/com/sun/star/awt/MessageBoxResults.idl
+++ b/offapi/com/sun/star/awt/MessageBoxResults.idl
@@ -23,6 +23,8 @@
 module com {  module sun {  module star {  module awt {
 
 /** These constants are used to specify a result of executing a XMessageBox.
+
+    @since LibreOffice 4.2
  */
 constants MessageBoxResults
 {
diff --git a/offapi/com/sun/star/awt/MessageBoxType.idl b/offapi/com/sun/star/awt/MessageBoxType.idl
index 1dfc8393f549..32751010b5b0 100644
--- a/offapi/com/sun/star/awt/MessageBoxType.idl
+++ b/offapi/com/sun/star/awt/MessageBoxType.idl
@@ -21,6 +21,8 @@
 module com {  module sun {  module star {  module awt {
 
 /** specifies the type of a XMessageBox.
+
+    @since LibreOffice 4.2
  */
 published enum MessageBoxType
 {